Home / 2,633,533.40-3,949,133.70-1,212,858.20

Finding the Fourth Proportional to 2,633,533.40, 3,949,133.70 and 1,212,858.20

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Solution

The fourth proportional to 2,633,533.40, 3,949,133.70 and 1,212,858.20 is: 1,818,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633,533.40 : 3,949,133.70 = 1,212,858.20 : x
  2. Step 2: Convert to fraction form
    2,633,533.40/3,949,133.70 = 1,212,858.20/x
  3. Step 3: Cross multiply
    2,633,533.40x = 3,949,133.70 × 1,212,858.20
  4. Step 4: Simplify right side
    2,633,533.40x = 4,789,739,190,941.34
  5. Step 5: Solve for x
    x = 4,789,739,190,941.34/2,633,533.40
  6. Step 6: Final answer
    x = 1,818,750.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.